Geometric Mean

Problem

Return the geometric mean of positive values: exp(mean(ln(x))). Return 0.0 if data is empty or contains a non-positive value.

Hint

Take logs, average them, then exponentiate.

case 1

in: [[1,4,16]]

expected: 4

case 2

in: [[2,8]]

expected: 4

case 3

in: [[5]]

expected: 4.999999999999999

case 4

in: [[1,2,4,8]]

expected: 2.82842712474619

case 5

in: [[0,1]]

expected: 0

Starter codePython

import math
def geometric_mean(data):
    # Your code here
    pass

5 test cases · run your code against them in the editor